JPS526093B2 - - Google Patents
Info
- Publication number
- JPS526093B2 JPS526093B2 JP47020254A JP2025472A JPS526093B2 JP S526093 B2 JPS526093 B2 JP S526093B2 JP 47020254 A JP47020254 A JP 47020254A JP 2025472 A JP2025472 A JP 2025472A JP S526093 B2 JPS526093 B2 JP S526093B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Surface Treatment Of Optical Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47020254A JPS526093B2 (https=) | 1972-02-29 | 1972-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47020254A JPS526093B2 (https=) | 1972-02-29 | 1972-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4890249A JPS4890249A (https=) | 1973-11-24 |
| JPS526093B2 true JPS526093B2 (https=) | 1977-02-18 |
Family
ID=12022046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47020254A Expired JPS526093B2 (https=) | 1972-02-29 | 1972-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS526093B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4595261A (en) * | 1983-10-13 | 1986-06-17 | International Business Machines Corporation | Phase retardation element and prism for use in an optical data storage system |
| JP6876189B1 (ja) * | 2020-08-11 | 2021-05-26 | 株式会社光学技研 | フレネルロム、該フレネルロムを備えた計測装置及び光アッテネーター |
-
1972
- 1972-02-29 JP JP47020254A patent/JPS526093B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4890249A (https=) | 1973-11-24 |